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164V

Sensibly equivalent to:
SS4DetAC
    
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The 164V LF amplifier triode from Mullard dates from 1929 and was introduced at the Olympia show.
The flattened cathode is indirectly heated. The anode box lies horizontally within the envelope. The stamped pattern gives rigidity to the thin bright metal used for the anode. The grid extends beyond the anode box and is shaped so that it is --[ ]-- in section. This allows the outer part of the grid wires to radiate heat and so prevent secondary emission.
The balloon envelope is 50 mm in diameter and, excluding the B5 base pins, is 91 mm tall.
References: 1931 datasheet & 1040. Type 164V was first introduced in 1929.

 

Pin Connections
B5
1
2
3
4
5
a
g1
h
h
k

 

Absolute Maximum Operating Conditions
Triode
Vh
Ah
Va
Vg
mAa
ra
gm
4.0
1.0
200
-9.0
12.0
4,700
3.4
Thanks to Andy Cowley for supplying the above PDF datasheet.
Updated December19, 2012.
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